1//===-- JITLoader.h ---------------------------------------------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#ifndef liblldb_JITLoader_h_
10#define liblldb_JITLoader_h_
11
12#include <vector>
13
14#include "lldb/Core/PluginInterface.h"
15#include "lldb/Target/JITLoaderList.h"
16
17namespace lldb_private {
18
19/// \class JITLoader JITLoader.h "lldb/Target/JITLoader.h"
20/// A plug-in interface definition class for JIT loaders.
21///
22/// Plugins of this kind listen for code generated at runtime in the target.
23/// They are very similar to dynamic loader, with the difference that they do
24/// not have information about the target's dyld and that there may be
25/// multiple JITLoader plugins per process, while there is at most one
26/// DynamicLoader.
27class JITLoader : public PluginInterface {
28public:
29  /// Find a JIT loader plugin for a given process.
30  ///
31  /// Scans the installed DynamicLoader plug-ins and tries to find all
32  /// applicable instances for the current process.
33  ///
34  /// \param[in] process
35  ///     The process for which to try and locate a JIT loader
36  ///     plug-in instance.
37  ///
38  static void LoadPlugins(Process *process, lldb_private::JITLoaderList &list);
39
40  /// Construct with a process.
41  JITLoader(Process *process);
42
43  ~JITLoader() override;
44
45  /// Called after attaching a process.
46  ///
47  /// Allow JITLoader plug-ins to execute some code after attaching to a
48  /// process.
49  virtual void DidAttach() = 0;
50
51  /// Called after launching a process.
52  ///
53  /// Allow JITLoader plug-ins to execute some code after the process has
54  /// stopped for the first time on launch.
55  virtual void DidLaunch() = 0;
56
57  /// Called after a new shared object has been loaded so that it can be
58  /// probed for JIT entry point hooks.
59  virtual void ModulesDidLoad(lldb_private::ModuleList &module_list) = 0;
60
61protected:
62  // Member variables.
63  Process *m_process;
64};
65
66} // namespace lldb_private
67
68#endif // liblldb_JITLoader_h_
69